package collection;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;

public class GenericDemo {
    public static void main(String[] args) {
        Collection<Point> c = new ArrayList<>();
        c.add(new Point(1,2));
        c.add(new Point(3,4));
        c.add(new Point(5,6));
        c.add(new Point(7,8));
        c.add(new Point(9,10));
        System.out.println(c);

        Iterator<Point> it = c.iterator();
        while (it.hasNext()){
            Point p = it.next();
            System.out.println(p);
        }

        for (Point p:c){
            System.out.println(p);
        }




















        /*
        List<String> list = new ArrayList<>();
        list.add("11");
        list.add("1");
        list.add("1");
        list.add("1");
        list.add("1");

        Iterator<String> it = list.iterator();
        while (it.hasNext()){
            String str = it.next();
            System.out.println(str);
        }

        for (String str:list){
            System.out.println(str);

        }
        */
    }
}
